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P E R F O R M A N C E W I T H O U T C O M P R O M I S E IMPORTANT! All GFB pistons are checked for fitment and tolerance before shipment. Please do not drop the GFB piston onto a hard surface as this may cause (invisible) damage that could result in boost leaks or sticking.
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INSTALLATION These instructions show installation on an A250 with transverse engine layout. For installation on other models with longitudinal engine layout, the procedure is the same, but the turbo is found on the left-hand side of the engine (looking from the front of the car), and the diverter is lower down.
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Assemble the GFB DV+ parts onto the factory solenoid body as shown in the exploded view below, Ÿ making sure to use the GFB-supplied plunger spring and longer bolts. Apply some engine oil to the piston during this process. Note that regular re-lubrication is NOT required.
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If a fault occurs as a result of usage outside of the terms of the warranty, or you are not the original owner, fear not, we can still help you. You should never need to throw a GFB product away, as spare parts are...
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